atm: Use kasprintf

Use kasprintf in atm_proc_dev_register()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/atm/proc.c b/net/atm/proc.c
index 7a96b2376bd7223ad951e66a4ad441fccbb32d0d..f188a399c679cdd80c12364d8b1ebcd0c86751c8 100644 (file)
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -406,7 +406,6 @@ EXPORT_SYMBOL(atm_proc_root);
 
 int atm_proc_dev_register(struct atm_dev *dev)
 {
-       int digits, num;
        int error;
 
        /* No proc info */
@@ -414,16 +413,9 @@ int atm_proc_dev_register(struct atm_dev *dev)
                return 0;
 
        error = -ENOMEM;
-       digits = 0;
-       for (num = dev->number; num; num /= 10)
-               digits++;
-       if (!digits)
-               digits++;
-
-       dev->proc_name = kmalloc(strlen(dev->type) + digits + 2, GFP_KERNEL);
+       dev->proc_name = kasprintf(GFP_KERNEL, "%s:%d", dev->type, dev->number);
        if (!dev->proc_name)
                goto err_out;
-       sprintf(dev->proc_name, "%s:%d", dev->type, dev->number);
 
        dev->proc_entry = proc_create_data(dev->proc_name, 0, atm_proc_root,
                                           &proc_atm_dev_ops, dev);